Wood-polishing machine.



No. 871,111. PATENTED NOV. 19, 1907. 0. DANDER.

WOOD POLISHING MACHINE. APPLICATION FILED MAY 251907.

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UNITED STATES PATENT oEEIcE.

OTTO DANDER, OF KGNIGSBERG, GERMANY.

I WOOD-POLISHIN G MACIHNE.

N 0. 871,111. Specification of Letters Patent. Patented. Nov. 19,- 1907.

I I Application filed May 24. 1907. Serial No. 375.659.

To all whom it may concern: the tool to describes an elliptical way-On Be it known that I, OTTo DA'NDER, a subthe other hand, the rectilinear movement of ject of the German Emperor, and resident of the tool to is obtained by simply taking one Konigsberg, Germany, have invented cerofthe screws t out so that the rod r is only tain new and useful Improvements in W ood pivoted to the connecting-rod s, and insert- 60 Polishing Machines, of which the following ing it through the slot 9 and the hole 2 in the is aspecification. cross member 2. Intothe chambers m and This invention relates to a Wood polishing 0c the polishing medium shellac and spirit machinelwith which all the movements necis lilled and supplied to the polishing tool w essary for an exact and proper polishing can through. the medium of a regulating device. 65

be made. Having fully descri'bed my invention, what The accompanying drawing shows the ma- I claim and desire. to secure by Letters Patchine embodying the invention. cut is: I

Figure 1 is a side view, and Figs. 2 8c 3 a 1. A wood polishing machine comprising plan, of the same, the latter two figures in combination with the frame, the crank 70 showing respectively how the machine is driving mechanism, a connecting-rod al used for effecting an elliptical or rectilinear tached to the latter, a crank transmission movement of the polishing tool; Figs. 4 & 5 mechanism actuated by said crank driving are respectively a vertical section through, mechanism, a slotted rod firmly attached to and plan of, a detail of the machine on an ensaid connecting-rod and connected with said 75 larged scale. crank transmission mechanism, the polish- On the frame a the vertical shaft 6 is ing tool (w) attached to the free end of said mounted and adapted to be actuated by the slotted rod, two chambers to supply said pul y ce 5 an t t tl Gd bevel geartool with the polishing medium and provided ing 0, d. From the shaft e the pulley f keyed for this purpose with a regulating device, and 80 on the same, is actuated, which transmits a weight provided on said slotted rod to regits movement by means of a belt 9 to a pululate the polishing pressure of said tool, all

ley h which is keyed on-the vertical shaft 'i. for the purpose of effecting an elliptical At the upper end of the latter the crank disk movement of said tool.

- k is arranged and provided with the crank 2. A wood polishing machine comprising 85 bolt k which engages the slot Z of the sup in combination with the frame, the crank port member m. The latter is connected driving mechanism, a connecting-rod alwith the support n by means of the screw 0. tached to the latter, a crank transmission The support n is movable in lateral direction mechanism actuated by said crank driving and guided in the guiding ledge 3). The mechanism, a crossmember of said frame 90 screw ,0 engages with its upper part the slot provided with a hole, a bolt inserted in the q of the rod 1' and moves the latter to both latter hole, a slotted rod pivoted to said consides. To the rod 1' the connecting-rod s necting-rod and connected with said crank may be firmly attached by means of two transmissionmechanism as well as with said 40 screws t. The connectingrod s is actuated bolt, the polishing tool (w) attached to the 95- by the adjustable crank pin u and crank 12 free end of said slotted. rod, two chambers to which is centered on the vertical shaft 6. In supply said tool with the polishing medium the frontend of the rod 1* the polishing tool and provided for this purpose with a reguw is fixed and connected with two chambers lating device, and a weight provided on said a; and'w. The weight 1 provided on the rod slotted rod to regulate the polishing pressure 100 1' serves to regulate the pressure of the polof said tool, all for the purpose of ell'ecting ishing tool on the wood to be polished. In a rectilinear movement of said tool.

the cross member 2 of the frame a a hole 2 is In testimony whereof I have hereunto set provided in which a guiding bolt may be 111- my hand in the presence of two sulzscrlbmg serted. witnesses.

The operation of the machine is as follows: To effect elliptical movements of the polishing' tool, the rod 1' is firmly attached to the Witnesses: connecting-rod s by means of the two screws FRITZ IIARLTIIALER, t so, that by actuating the driving mechanism 1 M. HAUNKE.

OTTO DANDER. 

